diff --git a/modules/crypto/default.nix b/modules/crypto/default.nix
index 2e62109e..5585e448 100644
--- a/modules/crypto/default.nix
+++ b/modules/crypto/default.nix
@@ -26,6 +26,7 @@ in
 
       services.gpg-agent = {
         enable = true;
+        defaultCacheTtl = 300;
         enableSshSupport = true;
         pinentryFlavor = "gnome3";
         verbose = true;